Loaiza, J., Valverde, R., Rodríguez, G., & Molina, J. (2004). Quantitative analyses of the main che mical constituents in the roots of Echinacea purpurea and E. angustifolia produced in Cos ta Rica.
Chicago-tyylinen lähdeviittausLoaiza, Jorge, Roberto Valverde, Gerardo Rodríguez, ja Jorge Molina. Quantitative Analyses of the Main Che Mical Constituents in the Roots of Echinacea Purpurea and E. Angustifolia Produced in Cos Ta Rica. 2004.
MLA-viiteLoaiza, Jorge, Roberto Valverde, Gerardo Rodríguez, ja Jorge Molina. Quantitative Analyses of the Main Che Mical Constituents in the Roots of Echinacea Purpurea and E. Angustifolia Produced in Cos Ta Rica. 2004.
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